G40.5
Non-billableEpileptic seizures related to external causes
G40.5 is the ICD-10-CM code for Epileptic seizures related to external causes. It is a non-billable category code — use a more specific child code such as G40.50 for billing.
G00-G99 Diseases of the nervous system
Includes
- •Epileptic seizures related to alcohol
- •Epileptic seizures related to drugs
- •Epileptic seizures related to hormonal changes
- •Epileptic seizures related to sleep deprivation
- •Epileptic seizures related to stress
Use additional code
Notes
- •, if applicable, associated epilepsy and recurrent seizures (G40.-)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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